oj.uz

Submission #386377

# Submission time Handle Problem Language Result Execution time Memory
386377 2021-04-06T13:26:07 Z Mamnoon_Siam Ancient Machine (JOI21_ancient_machine) C++17
100 / 100
 76 ms 8508 KB 
#include "Anna.h"
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;
#define all(v) begin(v), end(v)
#define sz(v) (int)(v).size()
#define fi first
#define se second

namespace {

ll dp[100];

vi int_to_zeckendorf(ll x) {
  vi ret;
  for(int i = 63-1; i >= 0; --i) {
    ret.emplace_back(dp[i] <= x);
    if(dp[i] <= x) x -= dp[i];
  }
  return ret;
}
ll zeckendorf_to_int(vi v) {
  ll ret = 0;
  for(int i = 0; i < 63; ++i) {
    ret += v[i] ? dp[i] : 0;
  }
  return ret;
}

void print(int x) { cerr << x << endl; }
void print(vi v) {
  for(int x : v) cerr << x << ' ';
  cerr << endl;
}

#ifdef LOCAL
#define debug(v) cerr << #v << " = "; print(v);
#else
#define debug(v)
#endif

}

void Anna(int N, std::vector<char> S) {
  dp[0] = 1, dp[1] = 2;
  for(int i = 2; i < 63; ++i) {
     dp[i] = dp[i-1] + dp[i-2];
  }
  S.resize(((sz(S)-1)/63+1)*63);
  for(int i = N; i < sz(S); ++i) S[i] = 'Y';


  debug(sz(S));


  vi mark(sz(S), 0);
  vi seq;

  int first_x = int(find(all(S), 'X') - S.begin());

  for(int i = 0; i < 17; ++i)
    seq.emplace_back(first_x >> i & 1);

  for(int i = first_x; i < sz(S); ++i) {
    if(S[i] == 'Z') mark[i] = 1;
  }

  for(int i = 1; i < sz(mark); ++i)
    if(mark[i-1] and !mark[i]) {
      for(int j = i-2; j >= 0 and mark[j]; --j)
        mark[j] = 0;
    }

  debug(mark);

  for(int i = 0; i < sz(S); i += 63) {
    ll x = zeckendorf_to_int(vi(mark.begin()+i, mark.begin()+i+63));
    for(int j = 0; j < 44; ++j) {
      seq.emplace_back(x >> j & 1);
    }
  }

  debug(vi(seq.begin()+17, seq.end()));

  for(int i = 0; i < sz(seq); ++i) Send(seq[i]);
}

#include "Bruno.h"
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;
#define all(v) begin(v), end(v)
#define sz(v) (int)(v).size()
#define fi first
#define se second

namespace {

ll dp[100];

vi int_to_zeckendorf(ll x) {
  vi ret;
  for(int i = 63-1; i >= 0; --i) {
    ret.emplace_back(dp[i] <= x);
    if(dp[i] <= x) x -= dp[i];
  }
  return ret;
}
ll zeckendorf_to_int(vi v) {
  ll ret = 0;
  for(int i = 0; i < 63; ++i) {
    ret += v[i] ? dp[i] : 0;
  }
  return ret;
}

void print(int x) { cerr << x << endl; }
void print(vi v) {
  for(int x : v) cerr << x << ' ';
  cerr << endl;
}

#ifdef LOCAL
#define debug(v) cerr << #v << " = "; print(v);
#else
#define debug(v)
#endif

}  // namespace

void Bruno(int N, int L, std::vector<int> A) {
  dp[0] = 1, dp[1] = 2;
  for(int i = 2; i < 63; ++i) {
     dp[i] = dp[i-1] + dp[i-2];
  }

  int first_x = 0;
  for(int i = 0; i < 17; ++i)
    first_x |= A[i] << i;

  A.erase(A.begin(), A.begin()+17);

  vi AA;

  for(int i = 0; i < sz(A); i += 44) {
    ll val = 0;
    for(int j = i; j < i+44; ++j) {
      val |= ll(A[j]) << (j-i);
    }
    vi tmp = int_to_zeckendorf(val);
    reverse(all(tmp));
    AA.insert(AA.end(), all(tmp));
  }

  // reverse(all(AA));

  debug(AA);

  // AA.resize(N);

  // debug(AA);

  for(int i = 0; i < min(N, first_x); ++i) {
    Remove(i);
  }

  if(first_x < N) {
    int prv = first_x;
    for(int i = first_x+1; i < N; ++i) {
      if(AA[i]) {
        for(int j = i-1; j > prv; --j) {
          Remove(j);
        }
        Remove(i);
        prv = i;
      }
    }
    Remove(first_x);
    for(int i = prv+1; i < N; ++i) {
      Remove(i);
    }
  }
}

Compilation message

Anna.cpp:34:6: warning: 'void {anonymous}::print(vi)' defined but not used [-Wunused-function]
   34 | void print(vi v) {
      |      ^~~~~
Anna.cpp:33:6: warning: 'void {anonymous}::print(int)' defined but not used [-Wunused-function]
   33 | void print(int x) { cerr << x << endl; }
      |      ^~~~~
Anna.cpp:17:4: warning: 'vi {anonymous}::int_to_zeckendorf(ll)' defined but not used [-Wunused-function]
   17 | vi int_to_zeckendorf(ll x) {
      |    ^~~~~~~~~~~~~~~~~

Bruno.cpp:34:6: warning: 'void {anonymous}::print(vi)' defined but not used [-Wunused-function]
   34 | void print(vi v) {
      |      ^~~~~
Bruno.cpp:33:6: warning: 'void {anonymous}::print(int)' defined but not used [-Wunused-function]
   33 | void print(int x) { cerr << x << endl; }
      |      ^~~~~
Bruno.cpp:25:4: warning: 'll {anonymous}::zeckendorf_to_int(vi)' defined but not used [-Wunused-function]
   25 | ll zeckendorf_to_int(vi v) {
      |    ^~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 484 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 480 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 484 KB Output is correct
7 Correct 2 ms 488 KB Output is correct
8 Correct 2 ms 484 KB Output is correct
9 Correct 2 ms 488 KB Output is correct
10 Correct 2 ms 484 KB Output is correct
11 Correct 2 ms 484 KB Output is correct

Subtask #2
95.0 / 95.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 8296 KB Output is correct
2 Correct 62 ms 8280 KB Output is correct
3 Correct 70 ms 8228 KB Output is correct
4 Correct 68 ms 8332 KB Output is correct
5 Correct 59 ms 8236 KB Output is correct
6 Correct 60 ms 8240 KB Output is correct
7 Correct 60 ms 8280 KB Output is correct
8 Correct 61 ms 8360 KB Output is correct
9 Correct 60 ms 8248 KB Output is correct
10 Correct 64 ms 8208 KB Output is correct
11 Correct 60 ms 8304 KB Output is correct
12 Correct 59 ms 8252 KB Output is correct
13 Correct 67 ms 8248 KB Output is correct
14 Correct 67 ms 8508 KB Output is correct
15 Correct 66 ms 8248 KB Output is correct
16 Correct 76 ms 8232 KB Output is correct
17 Correct 66 ms 8232 KB Output is correct
18 Correct 65 ms 8204 KB Output is correct
19 Correct 70 ms 8232 KB Output is correct
20 Correct 61 ms 8248 KB Output is correct
21 Correct 59 ms 8252 KB Output is correct
22 Correct 66 ms 8244 KB Output is correct
23 Correct 61 ms 8236 KB Output is correct
24 Correct 76 ms 8300 KB Output is correct
25 Correct 66 ms 8304 KB Output is correct
26 Correct 68 ms 8244 KB Output is correct
27 Correct 67 ms 8236 KB Output is correct
28 Correct 68 ms 8220 KB Output is correct
29 Correct 67 ms 8316 KB Output is correct
30 Correct 66 ms 8328 KB Output is correct
31 Correct 68 ms 8420 KB Output is correct
32 Correct 62 ms 8232 KB Output is correct
33 Correct 62 ms 8232 KB Output is correct